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双金属复合管焊接质量控制
引用本文:姜汉胜,权高军. 双金属复合管焊接质量控制[J]. 石油工业技术监督, 2011, 27(10): 18-20
作者姓名:姜汉胜  权高军
作者单位:1. 中国石化集团江苏石油勘探局基建办公室,江苏扬州,225009
2. 中国石化集团江苏石油勘探局技术监督处,江苏扬州,225009
摘    要:针对某油气田地面工程复合管一次焊接合格率低的问题,从焊接工艺、缺陷产生机理、操作规范等方面分析缺陷产生的原因。指出封焊层质量失控、过渡层焊接操作不当是造成气孔、未熔合等缺陷产生的原因。结果表明,加强关键工序的质量控制,改进焊接操作方法,对提高一次焊接合格率是有效的。

关 键 词:复合管  焊接  缺陷  质量控制

Welding Quality Control of Bimetal Composite Pipes
Jiang Hansheng,Quan Gaojun. Welding Quality Control of Bimetal Composite Pipes[J]. Technology Supervision In Petroleum Industry, 2011, 27(10): 18-20
Authors:Jiang Hansheng  Quan Gaojun
Affiliation:Jiang Hansheng,Quan Gaojun
Abstract:In view of the problem of the low primary welding qualified rate about the composite pipes of ground engineering in an oil-gas field,this article analyzes the causes of defects from the aspects of welding process,the mechanism of defect occurrence,and the operating regulation.It is pointed out that defects such as blowhole,incomplete fusion are caused by being out of control in the quality of seal welding layer and the improper operation of transition welding layer.The results show that enhancing the quality control of key technological process and improving the method of welding operation are effective in improving the primary qualified rate of welding.
Keywords:composite pipe  welding  defect  quality control
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